An Etymological Dictionary of Astronomy and Astrophysics

Being such in part only; not total or general; incomplete.
See also:
→ partial derivative, → partial differential equation, → partial eclipse, → partial ionization zone, → partial lunar eclipse, → partial solar eclipse, → partial truth.

Etymology (EN): M.E. parcial, from O.Fr. parcial, from M.L. partialis “pertaining to a part,” from L. pars, → part; → -al.

Etymology (PE): → part; → -al.